From nobody Sun Oct 5 10:47:10 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C8648220F3F; Wed, 6 Aug 2025 08:14:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754468067; cv=none; b=GjogsnUlMRsMo2QLGluq0X6vY/Qk436ErgaSqtfnsH8hc2rDvzH5dCjk347D3M6pUKngNzjY1JDcCaQ+dt37G6ssvWh3ADlaOi3aHgBzNKc5OduUjJm0mInekCXftljcLVL1fovC7BwMRT2jZaZ9tpu276fnIjT/vqiLy49yXTA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754468067; c=relaxed/simple; bh=1vILbtknjr4uoWGY1Re0hlIjHowCPUrx0wSo5cKjZf4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KEHqZwmS8veLzWHSIlxoDI+x3GTcwlBVd1zkeLOrALwJqYPdByHqkA84007TOpKKihJWxzMBxM3BPyvLk2usfFYVcXy1r2FPCtW57aCLqvSFDZiTI215DhJBf54QFaq25I66/WjiYglexMLnXJNpz0o5CRHyqzllsp5j4HyXXTw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=CbEaEyCU; arc=none smtp.client-ip=198.175.65.18 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="CbEaEyCU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1754468066; x=1786004066; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1vILbtknjr4uoWGY1Re0hlIjHowCPUrx0wSo5cKjZf4=; b=CbEaEyCUDvcKTHWoTPuKWgTCRBxvIsA6FbqA2z59g+28sg8GaylBrWaj PctFMoQASU6lBXvNwe1pK5RvJmHIn7b6kEgVWK+FFqSj6lOTM4vlG8Iam N1gd/NGIHFiojDa1sRhDl0jklTKdYIbfV5kEJ1gMCBlg7NR/E+6zk5u43 l7GLRKDVYC3B8dFrjwL6VSiIiFazZqDSU8RejQghVLHXotzKoQjt2lcmF UONHwfpTZzEOO0UNBbvXR2Eyu6gpETYHTgW8PINHd5nT4Krt1PaLt1ZJu prktcY+iok8k/1TAwms3Avja9soaVNIxQgC3QV3sy8S5bXsQJODtfSbbp w==; X-CSE-ConnectionGUID: S51//p0ZSWeHiULfnKAQGw== X-CSE-MsgGUID: bLzyPVmDSKqw/kNB5U2n1Q== X-IronPort-AV: E=McAfee;i="6800,10657,11513"; a="56853647" X-IronPort-AV: E=Sophos;i="6.17,268,1747724400"; d="scan'208";a="56853647" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2025 01:14:24 -0700 X-CSE-ConnectionGUID: RBQS5ZuSR5OUT+lC1L6jEg== X-CSE-MsgGUID: BNpT2Q5mSKmq9gr30eJheQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,268,1747724400"; d="scan'208";a="169168499" Received: from sschumil-mobl2.ger.corp.intel.com (HELO eresheto-mobl3.ger.corp.intel.com) ([10.245.244.125]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Aug 2025 01:14:18 -0700 From: Elena Reshetova To: dave.hansen@intel.com Cc: jarkko@kernel.org, seanjc@google.com, kai.huang@intel.com, mingo@kernel.org, linux-sgx@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org, asit.k.mallick@intel.com, vincent.r.scarlata@intel.com, chongc@google.com, erdemaktas@google.com, vannapurve@google.com, bondarn@google.com, scott.raynor@intel.com, Elena Reshetova Subject: [PATCH v11 3/5] x86/sgx: Define error codes for use by ENCLS[EUPDATESVN] Date: Wed, 6 Aug 2025 11:11:54 +0300 Message-ID: <20250806081344.404004-4-elena.reshetova@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250806081344.404004-1-elena.reshetova@intel.com> References: <20250806081344.404004-1-elena.reshetova@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add error codes for ENCLS[EUPDATESVN], then SGX CPUSVN update process can know the execution state of EUPDATESVN and notify userspace. Signed-off-by: Elena Reshetova --- arch/x86/include/asm/sgx.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/x86/include/asm/sgx.h b/arch/x86/include/asm/sgx.h index 6a0069761508..2da5b3b117a1 100644 --- a/arch/x86/include/asm/sgx.h +++ b/arch/x86/include/asm/sgx.h @@ -73,6 +73,10 @@ enum sgx_encls_function { * public key does not match IA32_SGXLEPUBKEYHASH. * %SGX_PAGE_NOT_MODIFIABLE: The EPC page cannot be modified because it * is in the PENDING or MODIFIED state. + * %SGX_INSUFFICIENT_ENTROPY: Insufficient entropy in RNG. + * %SGX_NO_UPDATE: EUPDATESVN could not update the CPUSVN because the + * current SVN was not newer than CPUSVN. This is the most + * common error code returned by EUPDATESVN. * %SGX_UNMASKED_EVENT: An unmasked event, e.g. INTR, was received */ enum sgx_return_code { @@ -81,6 +85,8 @@ enum sgx_return_code { SGX_CHILD_PRESENT =3D 13, SGX_INVALID_EINITTOKEN =3D 16, SGX_PAGE_NOT_MODIFIABLE =3D 20, + SGX_INSUFFICIENT_ENTROPY =3D 29, + SGX_NO_UPDATE =3D 31, SGX_UNMASKED_EVENT =3D 128, }; =20 --=20 2.45.2